Short medium logic riddles for teens

cleanlogicmath

How do you make the number 7 an even number without addition, subtraction, multiplication, or division?
Drop the "S".
72.70 %
70 votes
logicscary

The person who built it sold it. The person who bought it never used it. The person who used it never saw it. What is it?
It's a coffin.
72.68 %
2114 votes
logicmathcleanclever

What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?
100. Looks hard? Don't worry, just work it backwards and you'll find it very easy.
72.34 %
56 votes
logicsimpleclean

Every time you lose something, you always find it in the very last place you would look. Why is this?
It is the last place you would look because once you find it there is no need to keep looking.
72.34 %
56 votes